US2507387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-cooling device
Assignee: Stickelber and Sons Inc
•
Filing: 1946-02-25
•
Granted: 1950-05-09
•
Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 Merlin A Sticelber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:04
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/002; F25D31/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US577925A
Cited
US1175147A
Cited
US1733760A
Cited
US1828989A
Cited
US2071624A
Cited
US2210031A
Cited
US2300058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |